
MailReach
DeliverabilityEmail warmup plus inbox placement testing, billed per connected mailbox
A focused, well regarded warmup and placement testing pair that does one layer of the stack properly, at a per-mailbox price that adds up fast once you run dozens of inboxes.
Best for
Cold email teams and lead gen agencies running many sending mailboxes who want warmup and inbox placement testing from the same dashboard.
Not great for
A team looking for one platform, because MailReach deliberately stops at deliverability and never sends a campaign.

Starting price
$25/sender/mo
Pricing model
Per sender
Free trial
Not advertised
Platforms
Web app
Headquarters
France
MailReach, in plain terms
MailReach is a French deliverability tool built around two jobs: warming up sending mailboxes and testing where messages actually land. The warmer connects to any mailbox that speaks SMTP or IMAP, including Google Workspace, Outlook and Office 365, Zoho, Brevo, Mailjet, Mailgun, SendGrid, Amazon SES, SparkPost, Ionos and OVH, then runs conversations with a network the company says holds more than 30,000 real inboxes. Volume ramps gradually to as much as 100 warming emails a day, and the interactions go past a single open: messages get replied to, marked important and pulled out of spam. A reputation score is tracked per address, with an overview across domains, tags and providers plus Slack alerts when a score moves. The second half of the product is the spam tester, which sends a test message to more than 30 seed mailboxes and reports placement, blacklist status, link problems and HTML complexity, either on demand or on a schedule with webhook notifications. Free SPF and DKIM checkers and a free public spam test sit alongside it, and both warmup and spam testing expose APIs. Pricing is per mailbox per month with spam test credits sold separately, so cost scales linearly with the number of inboxes. There is no sending, sequencing or contact database here: MailReach assumes another tool does the outreach.
Key features
- Automated warmup across a claimed 30,000+ inbox network
- Ramped volume up to 100 warming emails per mailbox per day
- Per-address reputation score with provider level breakdowns
- Spam test across 30+ seed mailboxes, manual or scheduled
- Blacklist, SPF, DKIM, DMARC and ETS health checks
- Co-Pilot AI deliverability assistant
- Warmup API and Spam Test API
- Slack alerts and webhooks on score changes and test results
Pros
- Warmup and inbox placement testing sit in the same product instead of two subscriptions
- Works with any SMTP or IMAP mailbox, so it is not tied to Google and Microsoft alone
- Warming interactions go beyond opens: replies, important flags and spam rescues
- Reputation scored per address with rollups by domain, tag and provider, useful when managing client mailboxes
- Both the warmer and the spam tester expose APIs, and scheduled tests can fire Slack or webhook alerts
- Free public spam test, SPF checker and DKIM checker with no account required
Cons
- Per mailbox pricing means cost rises in a straight line with sender count
- Spam test credits are metered separately once the 20 included ones are used
- No sending, sequencing, inbox or contact data, so it is always an add-on line item
- No free plan and no free trial advertised for the warmer
- Trustpilot reviewers report difficulty cancelling, though the review base there is very small, around six reviews at an average near 3.3
Cost at scale
20 mailboxes at their published $25 monthly rate is about $500 per month, or about $400 per month at the $20 annual rate, before the volume discounts their calculator applies at higher mailbox counts and before extra spam test credits
Users claimed
3,000+ businesses claimed
| Plan | Price | Limits | Includes |
|---|---|---|---|
| All-In-One (monthly) | $25 per mailbox / month | Up to 100 warming emails per day per mailbox, 20 included spam test credits | Fully automated warmup for each connected mailbox, At least 20 spam test credits included, Co-Pilot AI deliverability assistant, Domain and inbox health checks: blacklist, SPF, DKIM, DMARC, ETS, Reputation tracking dashboard |
| All-In-One (annual) | $20 per mailbox / month, billed annually | Annual commitment, same per-mailbox warming caps | Same feature set as the monthly plan, Annual billing is advertised as 20 percent off |
| Spam Tester credits | $135 per month for 300 credits (calculator default) | One credit per spam test, credit bundles from 20 to 10,000 | Standalone spam testing without the warmer, Credit steps published from 20 up to 10,000, Monthly or pay as you go |
| Custom | Custom quote | Quoted, contact required | For very large mailbox counts, For more than 10,000 spam test credits |
From their published pricing, August 2026. Their calculator shows $25 per mailbox per month on monthly billing and $20 per mailbox on annual billing, with the per-mailbox rate falling as the mailbox count rises. Check their pricing page.
What reviews praise
- Reviews praise the warming behaviour for mimicking real conversation threads rather than sending a single email
- Agency reviewers report evaluating many warmup tools before settling on MailReach for multi-client warming
- Users report improved inbox placement and higher reply rates after several weeks of warming
- MailReach publishes 4.6 out of 5 on G2, 5 out of 5 on Capterra and 5 out of 5 on SaaSHub on its own reviews page
What reviews flag
- Trustpilot reviewers report trouble cancelling a subscription, in reviews titled around that complaint
- The Trustpilot base is very small, roughly six reviews averaging about 3.3, so it diverges sharply from the G2 and Capterra scores
- Users note that spam test credits are consumed quickly and then billed separately from the warmer
- Reviewers point out the product does no sending, so it is an extra subscription on top of the outreach tool
Distilled from public reviews and community threads. Not Weezly's opinion, and not a rating.
API access
Email Warmup API and Email Spam Test API, plus webhooks on scheduled spam tests
Compliance
GDPR framed terms under French law, with a published privacy policy and a data controller contact, no SOC 2 or ISO certification claimed
Data export
Spam test results exportable to CSV
Automation platforms
Slack alerts and webhook notifications, no first-party Zapier or Make connector advertised
Integrations
- HQ
- Paris, France
- Founded
- Not published on the site. The operating company, THE BRAIN COMPANY, is a simplified joint stock company registered with the Paris Trade and Companies Register under number 899 225 684
- Company page

Email warmup and deliverability monitoring from lempire, priced per email address

Bulk and real-time email verification, part of ZoomInfo since 2021 (reported)

Email validation with a bundled deliverability toolkit, sold on credits
MailReach bills per connected mailbox. Their published calculator in August 2026 shows the All-In-One plan, which combines the warmer and the spam tester, at $25 per mailbox per month on monthly billing and $20 per mailbox on annual billing, with the rate falling as you add mailboxes. Spam test credits beyond the 20 included can be bought separately, and the calculator shows 300 credits at $135 per month. Check their pricing page for current figures.
There is no free warmup plan and no free trial advertised on the pricing page. MailReach does publish free tools that need no paid account: a public email spam test, an SPF checker and a DKIM checker. A promotional discount on the first 30 days of warming your first mailbox was running when this listing was written.
Any provider that supports SMTP, which MailReach lists as including Gmail and Google Workspace, Outlook and Office 365, Zoho, Brevo, Mailjet, Mailgun, SendGrid, Amazon SES, SparkPost, Ionos and OVH. There are dedicated pages for Google, Outlook, SendGrid, Mailgun, Amazon SES and generic SMTP warmup.
The warmer builds and maintains sender reputation by running conversations with a network the company says holds over 30,000 real inboxes, ramping to as much as 100 emails a day. The spam tester sends a test message to more than 30 seed mailboxes and reports where it landed, along with blacklist, link and HTML checks. Every warmer plan includes at least 20 spam test credits, and the tester can also be bought on its own.
No. MailReach is a deliverability layer only. There are no sequences, no unified inbox and no contact database, so it sits underneath a separate sending tool.
One of these tools is ours.
Weezly is in this directory too: LinkedIn outreach with AI clone videos, a 300M+ leads database and booking, from $59 per month. See if it earns a spot in your stack.